... or Bamboo material, environmental, could pass FCC, reasonable price, memory size from 256MB to 16GB Specification Price :Factory priceQualityGood material ... :3-12MB/SColors:Customer’s color availablePower:No external power supply required, USB bus-powered. Plug-and-play ... :Minimum 10 years data retentionLED light:Dual LED indicates power, busy, read/write Shock resistance:1000GDurability:Water proof, ...